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The Trait of Medium-Sized Leaves in Iris Is Determined by the Genetic

question 63

Essay

The trait of medium-sized leaves in iris is determined by the genetic condition PP'.Plants with large leaves are PP,whereas plants with small leaves are P'P'.A cross is made between two plants each with medium-sized leaves.If they produce 80 seedlings,what would be the expected phenotypes,and in what numbers would they be expected? What is the term for this allelic relationship?


Definitions:

Hippocampus

A major component of the brain in humans and other vertebrates, associated with memory formation and spatial navigation.

Thalamus

A structure in the brain that relays sensory and motor signals to the cerebral cortex, and is involved in controlling consciousness and alertness.

Frontal Lobe

One of the four major divisions of the cerebral cortex, involved in decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.

Spinothalamic Tract

A sensory pathway originating in the spinal cord that transmits information about pain and temperature to the thalamus in the brain.

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